<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>图片上传测试</title>
</head>
<body>
    <h1>图片上传测试</h1>
    <form action="/file/uploadSignature" method="post" enctype="multipart/form-data">
        <input type="file" name="fileSig" value="选择图片">
        <input type="submit" value="上传">
    </form>


</body>
</html>